A can do a work in 40 days and B in 28 days. If A and B together do th – McqOptions

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1.	A can do a work in 40 days and B in 28 days. If A and B together do the work, then approximately in how many days will the same work be completed?
A.	14 days
B.	10 days
C.	16 days
D.	20 days
Answer» D. 20 days

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